Articles with "host galaxy" as a keyword



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The $$M-\sigma $$M-σ relation between supermassive black holes and their host galaxies

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Published in 2019 at "General Relativity and Gravitation"

DOI: 10.1007/s10714-019-2549-7

Abstract: Supermassive black holes (SMBHs) are found in the centres of most galaxies. Their masses, and hence their gravitational potentials, are negligible compared with those of the host galaxy. However, several strong correlations between SMBH masses… read more here.

Keywords: supermassive black; sigma relation; black holes; host ... See more keywords
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The influence of host galaxy morphology on the properties of Type Ia supernovae from the JLA compilation

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Published in 2017 at "New Astronomy"

DOI: 10.1016/j.newast.2016.08.009

Abstract: Abstract The observational cosmology with distant Type Ia supernovae (SNe) as standard candles claims that the Universe is in accelerated expansion, caused by a large fraction of dark energy. In this paper we investigate the… read more here.

Keywords: jla compilation; type supernovae; morphology; host ... See more keywords
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Relation between AGN type and host galaxy properties

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Published in 2021 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/202039238

Abstract: We use 3,213 Active Galactic Nuclei (AGNs) from the $\it{XMM}$-XXL northern field to investigate the relation of AGN type with host galaxy properties. Applying a Bayesian method, we derive the hardness ratios (HRs) and through… read more here.

Keywords: agn type; galaxy; galaxy properties; type host ... See more keywords
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The role of scatter and satellites in shaping the large-scale clustering of X-ray AGN as a function of host galaxy stellar mass

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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab2538

Abstract: The co-evolution between central supermassive black holes (BHs), their host galaxies, and dark matter haloes is still a matter of intense debate. Present theoretical models suffer from large uncertainties and degeneracies, for example, between the… read more here.

Keywords: stellar mass; mass; agn; host ... See more keywords
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Genesis of morpho-kinematic lopsidedness in minor merger of galaxies

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Published in 2022 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stac461

Abstract: An m = 1 lopsided asymmetry is common in disc galaxies. Here, we investigate the excitation of an m = 1 lopsidedness in host galaxies during minor mergers while choosing a set of 1:10 merger… read more here.

Keywords: host galaxy; minor merger; kinematic lopsidedness; merger ... See more keywords
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The nuclear properties and extended morphologies of powerful radio galaxies: the roles of host galaxy and environment

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Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx007

Abstract: Powerful radio galaxies exist as either compact or extended sources, with the extended sources traditionally classified by their radio morphologies as Fanaroff--Riley (FR) type I and II sources. FRI/II and compact radio galaxies have also… read more here.

Keywords: powerful radio; radio; radio galaxies; environment ... See more keywords
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Associating host galaxy candidates to massive black hole binaries resolved by pulsar timing arrays

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Published in 2019 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stz420

Abstract: We propose a novel methodology to select host galaxy candidates of future pulsar timing array (PTA) detections of resolved gravitational waves (GWs) from massive black hole binaries (MBHBs). The method exploits the physical dependence of… read more here.

Keywords: galaxy; galaxy candidates; host; massive black ... See more keywords
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The redshift and the host galaxy of the neutrino candidate 4FGL J0955.1+3551 (3HSP J095507.9+355101)

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnrasl/slaa056

Abstract: The BL Lac object 4FGLJ0955.1+3551 has been suggested as a possible source of ultra energetic neutrinos detected by the Icecube observatory. The target was observed in January 2020 at the Large Binocular Telescope. Our spectroscopy… read more here.

Keywords: galaxy neutrino; redshift host; neutrino candidate; host ... See more keywords
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Host galaxy effects in the SUSY model for Supernovae Ia

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Published in 2018 at "International Journal of Modern Physics A"

DOI: 10.1142/s0217751x18501968

Abstract: For more than 40 years virtually all work on the theory of type Ia Supernovae (SN Ia) has assumed that these explosions were due to the transfer of mass to a degenerate star from a partner in… read more here.

Keywords: model; supernovae; galaxy effects; host galaxy ... See more keywords
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Star Formation Quenching in Quasar Host Galaxies

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Published in 2017 at "Frontiers in Astronomy and Space Sciences"

DOI: 10.3389/fspas.2017.00024

Abstract: Galaxy evolution is likely to be shaped by negative feedback from active galactic nuclei (AGN). In the whole range of redshifts and luminosities studied so far, galaxies hosting an AGN frequently show fast and extended… read more here.

Keywords: star formation; host galaxy; feedback; formation ... See more keywords
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Black Hole-Galaxy Scaling Relation Evolution From z~2.5: Simulated Observations With HARMONI on the ELT

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Published in 2019 at "Frontiers in Astronomy and Space Sciences"

DOI: 10.3389/fspas.2019.00073

Abstract: We present preliminary results on the potential of HARMONI, the first light integral field spectrograph for the ELT, to explore the evolution of central super massive black holes (SMBH) - host galaxy relation in the… read more here.

Keywords: galaxy; hole galaxy; black hole; relation ... See more keywords